scorer.ts

import type { Score } from "@/models/Questionnaire";
import type {
	QuestionnaireScoreContext,
	QuestionnaireScorer,
} from "@/questionnaires/types";
import { cleanDouble } from "@/utils/cleanDouble";
import type { PoliticalCompassOrgData } from "./types";

export function calculatePoliticalCompassScore({
	answers,
	data,
}: QuestionnaireScoreContext<PoliticalCompassOrgData>): Score {
	let sumEconomic = 0;
	let sumSocial = 0;

	for (const { answer } of answers) {
		sumEconomic += Number(answer.economicWeight ?? 0);
		sumSocial += Number(answer.socialWeight ?? 0);
	}

	return {
		economic: cleanDouble(
			sumEconomic / data.economicScaleDivisor + data.economicOffset,
		),
		social: cleanDouble(
			sumSocial / data.socialScaleDivisor + data.socialOffset,
		),
	};
}

export const politicalCompassOrgScorer: QuestionnaireScorer<PoliticalCompassOrgData> =
	{
		calculateScore: calculatePoliticalCompassScore,
	};